Question

what is a²+b²=?
(a+b)²=?​

Answer 1

please Mark as brainlist

Answer 2

Answer:

${a}^{2} + {b}^{2} =(i) {(a + b)}^{2} - 2ab \\( ii) {(a - b)}^{2} + 2ab \\ {(a + b)}^{2} = (i) {a}^{2} + 2ab + {b}^{2} \\ (ii) {(a - b)}^{2} + 4ab$

It is your answer.hope understand